Home / 147,851.26-204,034.62-80,783.26

Finding the Fourth Proportional to 147,851.26, 204,034.62 and 80,783.26

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Solution

The fourth proportional to 147,851.26, 204,034.62 and 80,783.26 is: 111,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,851.26 : 204,034.62 = 80,783.26 : x
  2. Step 2: Convert to fraction form
    147,851.26/204,034.62 = 80,783.26/x
  3. Step 3: Cross multiply
    147,851.26x = 204,034.62 × 80,783.26
  4. Step 4: Simplify right side
    147,851.26x = 16,482,581,756.46
  5. Step 5: Solve for x
    x = 16,482,581,756.46/147,851.26
  6. Step 6: Final answer
    x = 111,480.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.